0 comments on “Mesos and Marathon REST API via cURL — A Hello World Example”

Mesos and Marathon REST API via cURL — A Hello World Example

In this hello-world style blog post, we will learn how to create load balanced Docker services in an open source DC/OS & Mesos environment. For that, we will perform Mesos and Marathon REST API calls using simple cURL commands. First, we will…

0 comments on “Angular 4 Docker Example – for Angular Universal CLI”

Angular 4 Docker Example – for Angular Universal CLI

In this previous blog post, I have shown how to dockerize an Angular CLI application using NginX. However, the method works without adaptions only for classical (client-side rendered) Angular projects. In the current post, we will show, how an Angular…

0 comments on “Behavior-Driven Angular – Part 2: Inserting REST Data as “innerHTML” into a Web Application”

Behavior-Driven Angular – Part 2: Inserting REST Data as “innerHTML” into a Web Application

Today, we will extend the behavior-driven development example of the previous blog post and add the blog content to the document. Like last time, we will retrieve the HTML content from the WordPress API. Sounds easy, right? We will see that…

2 comments on “Angular 4 Docker Example – for Angular CLI projects”

Angular 4 Docker Example – for Angular CLI projects

In this Hello-World-like tutorial, we will show how to run Angular 4 applications that have been created with Angular CLI in a Docker container. As an introduction, we will start running an existing, already dockerized example from Github. As a second…

1 comment on “Behavior-Driven Angular – part 1: Consuming a RESTful Web Service with Angular 4”

Behavior-Driven Angular – part 1: Consuming a RESTful Web Service with Angular 4

In this step-by-step tutorial, we will follow a behavior-driven development approach to create an Angular 4 application from Angular CLI. The hello-world-like application will consume the WordPress REST API and it will display a blog post title. We will create…

0 comments on “JHipster: Exploring and Improving the Spring Boot REST API”

JHipster: Exploring and Improving the Spring Boot REST API

In our last blog post, we have created a simple blog application using JHipster, which is a Yeoman based code generator for Angular and Spring Boot. This time, we will explore and improve the Spring Boot REST API that is generated…

0 comments on “Hello Java Hipster: Angular 4 and Spring Boot”

Hello Java Hipster: Angular 4 and Spring Boot

In this blog post, Java Hipster will help us creating a mini blog application based on Angular 4 and Spring Boot. Angular is a popular framework for creating reactive single page applications, while Spring Boot is a robust java-based backend framework…

0 comments on “Angular 4: Automatic Table of Contents”

Angular 4: Automatic Table of Contents

In this step by step tutorial, we will go through the process of creating a two-level automatic Table of Contents by adding Angular Typescript/javascript code. We will perform following steps: We will discuss alternative solutions. We will start an Angular…

2 comments on “Angular 4 Universal: Boosting Performance through Server Side Rendering”

Angular 4 Universal: Boosting Performance through Server Side Rendering

This time we will show, how to use server side rendering with Angular 4 (or Angular 2). Like in my previous blog post, we will consume a RESTful Web Service with Angular 4. However, the web page will be displayed…

0 comments on “Vagrant on CentOS 7 – Setting up Test Environments the easy Way”

Vagrant on CentOS 7 – Setting up Test Environments the easy Way

After stumbling upon several guides still describing a Vagrant installation via a RubyGem - which is no longer supported - the following article was created and will provide a quick setup guide on how to setup Vagrant on CentOS 7.…

3 comments on “Consuming a REST Service with Angular 6: a Step-by-step Guide”

Consuming a REST Service with Angular 6: a Step-by-step Guide

Angular 6 is available, so I have decided to bring my instructions about Consuming a REST Service with Angular to the next level. In this step-by-step hello-world-style tutorial, you will be lead through following steps: installation of Angular CLI v6 in a CentOS docker container retrieval of HTML code data from the WordPress API display of the retrieved HTML code in a browser

2 comments on “Getting Started with DC/OS on Vagrant”

Getting Started with DC/OS on Vagrant

In the course of this Hello World style tutorial, we will explore DC/OS, a Data Center Operating System developed and open sourced by Mesosphere with the target to hide the complexity of data centers. We will install DC/OS on your local PC or Notebook…

1 comment on “Testing any Browser on any Hardware using BrowserStack – A Protractor Cross Browser Testing Example”

Testing any Browser on any Hardware using BrowserStack – A Protractor Cross Browser Testing Example

This time we will learn how to test any web site (including your front end software) using many different Internet browsers by integrating a cloud-based cross browser test solution named BrowserStack. We will perform Protractor tests for AngularJS using the…

0 comments on “Jenkins Part 5.1: Using the Job DSL for automatic Creation of Jenkins Jobs”

Jenkins Part 5.1: Using the Job DSL for automatic Creation of Jenkins Jobs

Today, we will learn how to use the Jenkins Job DSL Plugin to create new Jenkins jobs at a push of a button. We will show how we can use Groovy scripts for defining a "Hello World" Jenkins freestyle project and…

0 comments on “Jenkins Part 4.3: Performance Tests via JMeter”

Jenkins Part 4.3: Performance Tests via JMeter

Today, we will learn how to automatically create performance trend analysis reports like the following using Jenkins and JMeter: First, we will use Apache JMeter's graphical user interface on the developer's PC to create a test plan, before we integrate JMeter…

1 comment on “Jenkins Part 4.2: Code Quality Tests via Checkstyle”

Jenkins Part 4.2: Code Quality Tests via Checkstyle

Today, we will show how to use Checkstyle for improving the style of Java code. First, we will add Checkstyle to Gradle in order to create XML reports for a single build. Jenkins allows us to visualize the results of more…

2 comments on “Jenkins Part 4.1: Functional Java Tests via JUnit”

Jenkins Part 4.1: Functional Java Tests via JUnit

You also think that functional tests are one of the most important ingredients for delivering high quality software? You share my opinion that we should help the developer automating this task in order to get comparable results and to receive meaningful trend reports? I…

7 comments on “Jenkins Part 3.1: periodic vs triggered Builds”

Jenkins Part 3.1: periodic vs triggered Builds

Today, we will make sure that Jenkins will detect a code change in the software repository without manual intervention. We will show two methods to do so: Periodic Builds via Schedulers: Jenkins periodically asks the software repository for any code changes…